Generating Downloads Recipe: Material name in MTL file does not match OBJ

When generating downloads the full resolution OBJ package has the incorrect material name defined in the MTL file. For example: the OBJ references 'usemtl m1' while the MTL references 'newmtl theobjectmainname'.

This only seems to be the case with the full resolution package as the lower resolution 150k OBJ package has the correct names/references. 